Sullivan, Henry W, Juan del Encina (Boston: Twayne Publishers, G. K. Hall Co., 1976)

Torres, Nuria, “The Santiago Codex of Valladolid: Origins, Contents and Dating”, Fontes Artis Musicae, 61/2 (2014), 173-91

Turner, Bruno, ed, Five Spanish Liturgical Hymns complete with their mensural chants as set by Francisco Peñalosa and Johannes Wreede/Juan de Urreda, Mapa Mundi, Series A, 90 (Lochs: Vanderbeek & Imrie, 1996)

Turner, Bruno, ed, Yllario/Illario (fl. ca. 1500): O admirabile commercium, Mapa Mundi, Pure Gold, 1 (Lochs: Vanderbeek & Imrie, 2011) <http://mapamundimusic.com/public/wp-content/uploads/2020/01/puregold1.pdf>

Villanueva Serrano, Francesc, “La identificación de Pedro de Escobar con Pedro do Porto: una revisión definitiva a la luz de nuevos datos”, Revista de Musicología, 34/1 (2011), 37-58

Villanueva Serrano, Francesc, “Una perspectiva prosopogràfica dels oficis musicals de la Catedral de València en temps de Guillem de Podio, 1480-1505”, Anuario Musical, 72 (2017), 9-50

Wagstaff, Grayson, “A Re-Evaluation of Music Attributed to Pedro Fernández de Castilleja”, Revista de Musicología, 16/5 (1993), 2722-33

Wagstaff, Grayson, “Pedro de Escobar, Polyphonic Liturgical Genres, and Local Traditions in Early Sixteenth-Century Seville”, in The Anatomy of Iberian Polyphony around 1500, ed. by Esperanza Rodríguez-García and João Pedro d’Alvarenga, Iberian Early Music Studies, 5 (Kassel: Reichenberger, 2021) pp. 27-48

Wagstaff, Grayson, “Re-examining Pedro Fernández de Castilleja Again: Was he a more important contemporary of Peñalosa than we assumed?”, Portuguese Journal of Musicology, new series, 6/1 (2019), 63-90 <http://rpm-ns.pt/index.php/rpm/article/view/366>

Wolf, Johannes, “Der Choraltraktat des Cristoval de Escobar”, in Gedenkboek aangeboden aan Dr. D. F. Scheurleer op zijn 70sten Verjaardag, ed. by Guido Adler (The Hague: Martinus Nijhoff, 1925) pp. 383-91

Zywietz, Michael, “Juan del Encina (1469–1529) und die Bedeutung des Humanismus für die spanische Musik am ende des 15. Jahrhunderts”, Anuario Musical, 57 (2002), 59-75 <http://anuariomusical.revistas.csic.es/index.php/anuariomusical/article/view/81/82>